Home / 9,191.77-13,787.88-2,618.01

Finding the Fourth Proportional to 9,191.77, 13,787.88 and 2,618.01

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Solution

The fourth proportional to 9,191.77, 13,787.88 and 2,618.01 is: 3,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.77 : 13,787.88 = 2,618.01 : x
  2. Step 2: Convert to fraction form
    9,191.77/13,787.88 = 2,618.01/x
  3. Step 3: Cross multiply
    9,191.77x = 13,787.88 × 2,618.01
  4. Step 4: Simplify right side
    9,191.77x = 36,096,797.90
  5. Step 5: Solve for x
    x = 36,096,797.90/9,191.77
  6. Step 6: Final answer
    x = 3,927.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.